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United States Patent | 5,257,726 |
Graf ,   et al. | * November 2, 1993 |
A dispenser for flowable media is constructed as a disposable atomizer, whose entire media reservoir is formed by the pump chamber of a thrust piston pump. The freely exposed cylindrical container constructed as a push button-like handle is therefore valve-free and can only be opened towards the outlet duct.
Inventors: | Graf; Lothar (Worblingen, DE); Fuchs; Karl-Heinz (Radolfzell, DE) |
Assignee: | Ing. Erich Pfeiffer GmbH & Co. KG (DE) |
[*] Notice: | The portion of the term of this patent subsequent to May 1, 2007 has been disclaimed. |
Appl. No.: | 865739 |
Filed: | April 9, 1992 |
Aug 14, 1985[DE] | 3532890 |
Current U.S. Class: | 222/320; 222/386 |
Intern'l Class: | B67D 005/64 |
Field of Search: | 222/319,320,321,383,386,183,162 239/184,309,320,329,331,333 |
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2915225 | Dec., 1959 | Atkins | 222/320. |
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Foreign Patent Documents | |||
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